Sure it is possible to land untrue combos, but depending on who your opponent is and what they're using they could either counter or I-frame out of your combo.
If you mean stun grenade then It's not completely true. Stun grenade slows and slightly blinds your opponents so there's a chance that they can block or counter but I don't know yet I'll have to find out
They can act during stun grenade but you can still go for an m1 while they're slowed and bait out their counters, or you could just use your 1 or another moves like ult
Okay so ignoring the fact that the dummy healed all of It's lost hp immediately (which obviously the normal player cannot do) this combo probably one-shots
Note: All though these combos are not used on an evasion dummy you can still do a combo like this to your opponents. Edit: Okay yeah I literally just found a combo that still one shots even if they evade expect that video soon like exactly 10 minutes after this message
People say the ult combo is true and not true The first one is true the second is not true exept if there is a wall the h blasts the enemy too far for you to get there and g
thank you my man, You really are an inspiration Toji. so long as everyone looks past your attempts at murder, human trafficking, refusal to pay child support, and selling your son